package com.example.config;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.*;
import javax.sql.DataSource;

/**
 * Created by IntelliJ IDEA2021.3
 * druid监控页面配置、数据源配置
 * @Author: Tenghw
 * @Date: 2022/05/01  01:15
 * @Description:
 */
@Configuration
@Slf4j
@SuppressWarnings("unchecked")
public class DruidDataSource {

//     <!--================================================================================================-->
    /**
     * 注册一个StatViewServlet
     * @return
     * 配置一个pattern=“/druid/*”的servlet
     */
    @Bean
    public ServletRegistrationBean DruidStatViewServle2() {
        //org.springframework.boot.context.embedded.ServletRegistrationBean提供类的进行注册.
        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
//        servletRegistrationBean.addUrlMappings("/druid/*");
        //白名单：
        servletRegistrationBean.addInitParameter("allow", "127.0.0.1");
        //IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
        servletRegistrationBean.addInitParameter("deny", "192.168.1.73");
        //登录查看信息的账号密码.
        servletRegistrationBean.addInitParameter("loginUsername", "admin");
        servletRegistrationBean.addInitParameter("loginPassword", "123");
        //是否能够重置数据.
        servletRegistrationBean.addInitParameter("resetEnable", "false");
        return servletRegistrationBean;
    }
//     <!--================================================================================================-->
    /**
     * 注册一个filterRegistrationBean
     * @return
     * 配置一个对静态资源放行的过滤器filter
     */
    @Bean
    public FilterRegistrationBean druidStatFilter2() {
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
        //添加过滤规则.
        filterRegistrationBean.addUrlPatterns("/*");
        //添加不需要忽略的格式信息.
        filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid2/*");
        return filterRegistrationBean;
    }
    //     <!--================================================================================================-->


   public DataSource dataSource(){
        return new com.alibaba.druid.pool.DruidDataSource();
   }


}
